Routine line insulation testing circuit



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ROUTINE LINE INSULATION TESTING CIRCUIT.

/NVENTOR y R. C. AVERY A TTORNEV Oct. 25, 1955 R. c. AVERY ROUTINE LINEINSULATION TESTING CIRCUIT 52 Sheets-Sheet 5 Filed May 6, 1952 V, RR mEIINV jwc. Q. R. y W B f Nrmolw XS w M Y n. 5ms-: ,X3i @mi y @mi Si -n NTs t (mi rms@ I :Tm VSA /NTM (w EL? m. .wm -l/i A RNEV Oct. 25, 1955 R.c. AVERY 2,721,910

ROUTINE LINE INSULATION TESTING CIRCUIT Filed May 6, 1952 32Sheets-Sheet 6 i; L L V jwl Ml. W l am r MIL l l f Ww l I 'H' w w mm.LIIHI' F/G. 6 MANUAL)` HOR/Z GROUP Oct. 25, 1955 R. c. AVERY 2,721,910

ROUTINE LINE INSULATION TESTING CIRCUIT Filed May 6, 1952 3 2 Sheets-Sheet 7 /M/ENTOR R. C. AVERY A TTOR/VEV Oct. 25, 1955 R. c. AVERY ROUTINELINE INSULATION TESTING CIRCUIT Filed May 6, 1952 All IIHI INU lil HilllllHl H l llll lllll Illll IHI Illll IIIII lllll lllll 32 Sheets-Sheet 8MARKER PRE/ CC`7 /NVENTOR BV RC. AVERY A T ORNEV Oct. 25, 1955 R. c.AVERY 2,721,910

ROUTINE LINE INSULATION TESTING CIRCUIT Filed May 5, 1952 32Sheets-Sheet 9 TRA.

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/NVENTOR By R. C. AVE/PV A 7` TORNEV Oct. 25, 1955 R. c. AVERYI2,721,910

ROUTINE LINE INSULATION TESTING CIRCUIT Filed May 6, 1952 Y 32Sheets-Sheet 10 g s I /A/VEA/TOR R. C. A VERY ATT QA/EV FIG. /0

Oct. 25, 1955 R. c. AVERY 2,721,910

ROUTINE LINE INSULATION TESTING CIRCUIT iled May 6. 1952 32 Sheets-Sheetl1 MA 9K5@ A RNE V Oct. 25, 1955 R, AVERY 2,721,910

ROUTINE LINE INSULATION TESTING CIRCUIT Filed May 6, 1952 32Sheets-Sheet 12 (l LLl s /A/l/E/VTOR N Ram/EAW BV ATTO NEV Oct. 25,.1955 R.' c. AVERY 2,721,910

ROUTINE LINE INSULATION TESTING CIRCUIT ATTORNEY Oct. 25, 1955 R. c.AVERY ROUTINE LINE INSULATION TESTING CIRCUIT 52 Sheets-Sheet 14 FiledMay 6, 1952 By R. c. AVERY AT A/EV Oct. 25, 1955 R. c. AVERY ROUTINELINE INSULATION TESTING CIRCUIT 32 SI'xeeVas-Sheetl l5 Filed May 6, 1952@D JQ Slm /A/l/E/VTOR A. C. A VERY 5;/

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